5 from django.conf import settings
6 from django.core.urlresolvers import reverse
7 from django.db import models
8 from django.db.models.signals import post_delete, post_save
9 from django.dispatch import receiver
10 from django.utils.timezone import now
11 from django.utils.translation import ugettext_lazy as _
13 from .app_settings import app_settings
16 TRANCHE_SLUG_DIR_MAPPING = {
17 'acouphene': 'Acouphene',
18 'biodiversite': 'Biodiversite',
19 'l-heure-de-pointe': 'Heure_de_pointe',
20 'hop-bop-co': 'Hop_Bop_and_co',
21 'la-panique': 'la_panique',
22 'le-mange-disque': 'Mange_Disque',
23 'matin-tranquille': 'Matins_tranquilles',
24 'reveries': 'Reveries',
25 'up-beat-tempo': 'Up_Beat_Tempo',
30 class Artist(models.Model):
31 name = models.CharField(_('Name'), max_length=255)
39 def get_absolute_url(self):
40 return reverse('artist-view', kwargs={'pk': self.id})
42 def recent_diffusions(self):
43 return SomaLogLine.objects.filter(filepath__track__artist=self
44 ).exclude(on_air=False).order_by('-play_timestamp')
47 class Album(models.Model):
48 name = models.CharField(_('Name'), max_length=255)
57 class Track(models.Model):
58 title = models.CharField(_('Title'), max_length=255)
59 artist = models.ForeignKey(Artist, null=True)
60 album = models.ForeignKey(Album, null=True)
61 instru = models.BooleanField(_('Instru'), default=False)
62 language = models.CharField(max_length=3,
63 choices=LANGUAGES, blank=True)
64 sabam = models.BooleanField('SABAM', default=True)
65 cfwb = models.BooleanField('CFWB', default=False)
66 nonstop_zones = models.ManyToManyField('emissions.Nonstop', blank=True)
68 creation_timestamp = models.DateTimeField(auto_now_add=True, null=True)
69 added_to_nonstop_timestamp = models.DateTimeField(null=True)
70 uploader = models.ForeignKey(settings.AUTH_USER_MODEL, null=True)
71 duration = models.DurationField(_('Duration'), null=True)
74 ordering = ['creation_timestamp']
77 return 'Track %s (%s)' % (self.title, self.artist or 'unknown')
79 def get_absolute_url(self):
80 return reverse('track-view', kwargs={'pk': self.id})
82 def recent_diffusions(self):
83 return SomaLogLine.objects.filter(filepath__track=self
84 ).exclude(on_air=False).order_by('-play_timestamp')
88 for nfile in self.nonstopfile_set.all().order_by('creation_timestamp'):
89 if os.path.exists(nfile.get_local_filepath()):
90 return nfile.get_local_filepath()
92 return nfile.get_local_filepath()
95 def file_exists(self):
96 file_path = self.file_path()
100 return os.path.exists(file_path)
101 except AttributeError:
104 def sync_nonstop_zones(self):
105 current_zones = self.nonstop_zones.all()
106 if current_zones.count():
107 if not self.added_to_nonstop_timestamp:
108 self.added_to_nonstop_timestamp = now()
111 self.added_to_nonstop_timestamp = None
114 if not self.file_exists():
116 nonstop_file = self.nonstopfile_set.order_by('creation_timestamp').last()
117 filename = nonstop_file.filename
118 from emissions.models import Nonstop
120 for zone in Nonstop.objects.all():
121 if not zone.slug in TRANCHE_SLUG_DIR_MAPPING:
123 zone_dir = TRANCHE_SLUG_DIR_MAPPING[zone.slug]
124 zone_path = os.path.join(app_settings.LOCAL_BASE_PATH, 'Tranches', zone_dir, filename)
125 if zone in current_zones:
126 if not os.path.exists(zone_path):
127 os.symlink(os.path.join('..', '..', nonstop_file.short), zone_path)
129 if os.path.exists(zone_path):
133 class NonstopFile(models.Model):
134 filepath = models.CharField(_('Filepath'), max_length=255)
135 filename = models.CharField(_('Filename'), max_length=255, null=True)
136 creation_timestamp = models.DateTimeField(auto_now_add=True, null=True)
137 track = models.ForeignKey(Track, null=True)
141 return self.filepath[len(app_settings.REMOTE_BASE_PATH):]
143 def set_track_filepath(self, filepath):
144 self.filepath = os.path.join(app_settings.REMOTE_BASE_PATH, 'tracks', filepath)
145 self.filename = os.path.basename(filepath)
147 def get_local_filepath(self):
150 return os.path.join(app_settings.LOCAL_BASE_PATH, self.short)
153 class SomaLogLine(models.Model):
155 verbose_name = _('Soma log line')
156 verbose_name_plural = _('Soma log lines')
157 ordering = ['play_timestamp']
159 filepath = models.ForeignKey(NonstopFile, null=True)
160 track = models.ForeignKey(Track, null=True)
161 play_timestamp = models.DateTimeField()
162 on_air = models.NullBooleanField('On Air')
168 return self.filepath.track
172 class Jingle(models.Model):
174 verbose_name = _('Jingle')
175 verbose_name_plural = _('Jingles')
178 label = models.CharField(_('Label'), max_length=100)
179 filepath = models.CharField(_('File Path'), max_length=255)
180 duration = models.DurationField(_('Duration'), null=True, blank=True)
181 default_for_initial_diffusions = models.BooleanField(_('Default for initial diffusions'), default=False)
182 default_for_reruns = models.BooleanField(_('Default for reruns'), default=False)
183 default_for_streams = models.BooleanField(_('Default for streams'), default=False)
190 # property for compatibility with Track model
191 # for jingles self.filepath is actually only the last part of the path,
192 # ex: jingles panik/H_marimba_RP_chucho_zoe.wav
196 # for compatibility with Track model method
197 return self.get_local_filepath()
199 def get_local_filepath(self):
202 return os.path.join(app_settings.LOCAL_BASE_PATH, app_settings.JINGLES_PREFIX, self.short)
209 class Stream(models.Model):
211 verbose_name = _('Stream')
212 verbose_name_plural = _('Streams')
215 label = models.CharField(_('Label'), max_length=100)
216 url = models.URLField(_('URL'), max_length=255)
222 class ScheduledDiffusion(models.Model):
224 verbose_name = _('Scheduled diffusion')
225 verbose_name_plural = _('Scheduled diffusions')
227 diffusion = models.ForeignKey('emissions.Diffusion', null=True, blank=True, on_delete=models.SET_NULL)
228 jingle = models.ForeignKey(Jingle, null=True, blank=True)
229 stream = models.ForeignKey(Stream, null=True, blank=True)
230 creation_timestamp = models.DateTimeField(auto_now_add=True, null=True)
231 added_to_nonstop_timestamp = models.DateTimeField(null=True)
234 return 'Diffusion of %s' % self.diffusion
238 return self.diffusion.datetime
241 def end_datetime(self):
243 return self.diffusion.end_datetime
244 dt = self.diffusion.datetime
245 if self.jingle and self.jingle.duration:
246 dt += self.jingle.duration
247 dt += datetime.timedelta(seconds=self.soundfile.duration)
252 return self.diffusion.episode.soundfile_set.filter(fragment=False).first()
256 return (self.end_datetime - self.datetime).seconds
260 return self.diffusion.episode
265 return '[stream:%s]' % self.id
267 return '[sound:%s]' % self.id
270 return bool(self.stream_id)
272 def get_jingle_filepath(self):
273 return self.jingle.get_local_filepath() if self.jingle_id else None
276 # TODO, copy and stuff
277 return self.soundfile.file.path
280 class NonstopZoneSettings(models.Model):
281 nonstop = models.ForeignKey('emissions.Nonstop', on_delete=models.CASCADE)
282 intro_jingle = models.ForeignKey(Jingle, blank=True, null=True, related_name='+')
283 jingles = models.ManyToManyField(Jingle, blank=True)
286 return str(self.nonstop)
289 class RecurringStreamDiffusion(models.Model):
290 schedule = models.ForeignKey('emissions.Schedule', on_delete=models.CASCADE)
291 jingle = models.ForeignKey(Jingle, null=True, blank=True)
292 stream = models.ForeignKey(Stream)
293 is_active = models.BooleanField('Active', default=True)
296 return _('Recurring Stream for %s') % self.schedule
299 class RecurringOccurenceMixin:
303 return self.diffusion.jingle
307 return self.diffusion.jingle_id
311 return self.diffusion.schedule.get_duration() * 60
314 def end_datetime(self):
315 return self.datetime + datetime.timedelta(minutes=self.diffusion.schedule.get_duration())
317 def get_jingle_filepath(self):
318 return self.diffusion.jingle.get_local_filepath() if self.diffusion.jingle_id else None
321 class RecurringStreamOccurence(models.Model, RecurringOccurenceMixin):
322 diffusion = models.ForeignKey(RecurringStreamDiffusion, on_delete=models.CASCADE)
323 datetime = models.DateTimeField(_('Date/time'), db_index=True)
327 return self.diffusion.stream
333 class RecurringRandomDirectoryDiffusion(models.Model):
334 # between soundfiles and nonstop zones, this is used for the "mix
335 # deliveries" segment during weekend nights.
336 schedule = models.ForeignKey('emissions.Schedule', on_delete=models.CASCADE)
337 jingle = models.ForeignKey(Jingle, null=True, blank=True)
338 directory = models.CharField(_('Directory'), max_length=255)
339 is_active = models.BooleanField('Active', default=True)
342 return _('Recurring Random Directory for %s') % self.schedule
345 class RecurringRandomDirectoryOccurence(models.Model, RecurringOccurenceMixin):
346 diffusion = models.ForeignKey(RecurringRandomDirectoryDiffusion, on_delete=models.CASCADE)
347 datetime = models.DateTimeField(_('Date/time'), db_index=True)
353 directory = self.diffusion.directory
354 return os.path.join(directory, random.choice(os.listdir(directory)))
357 @receiver(post_delete)
358 def remove_soundfile(sender, instance=None, **kwargs):
359 from emissions.models import SoundFile
360 if not issubclass(sender, SoundFile):
362 ScheduledDiffusion.objects.filter(
363 diffusion__episode_id=instance.episode_id,
364 stream_id=None).update(
369 def save_soundfile(sender, instance=None, **kwargs):
370 if not app_settings.AUTO_SCHEDULE:
372 from emissions.models import SoundFile
373 if not issubclass(sender, SoundFile):
375 if instance.fragment:
377 if not instance.duration:
379 for i, diffusion in enumerate(instance.episode.diffusion_set.all()):
381 jingle_qs = Jingle.objects.filter(default_for_initial_diffusions=True)
383 jingle_qs = Jingle.objects.filter(default_for_reruns=True)
384 ScheduledDiffusion.objects.get_or_create(
385 diffusion=diffusion, stream_id=None,
386 defaults={'jingle': jingle_qs.order_by('?').first()})
390 def save_diffusion(sender, instance=None, **kwargs):
391 if not app_settings.AUTO_SCHEDULE:
393 from emissions.models import Diffusion
394 if not issubclass(sender, Diffusion):
396 if instance.episode.soundfile_set.filter(fragment=False).exists():
397 if Diffusion.objects.filter(episode=instance.episode, datetime__lt=instance.datetime).exists():
399 jingle_qs = Jingle.objects.filter(default_for_reruns=True)
401 jingle_qs = Jingle.objects.filter(default_for_initial_diffusions=True)
402 ScheduledDiffusion.objects.get_or_create(diffusion=instance,
403 stream_id=None, defaults={'jingle': jingle_qs.order_by('?').first()})